code: def job(self):
      if self.job_id is None:
          return None
      res = self.node.job_stash.get_by_uid(
          self.credentials, self.job_id
      )
      if res.is_err():
          return None
      else:
          return res.ok()
  
imports: from typing import Dict
  from typing import List
  from typing import Optional
  from typing_extensions import Self
  from ..abstract_node import AbstractNode
  from ..node.credentials import SyftVerifyKey
  from ..node.credentials import UserLoginCredentials
  from ..types.syft_object import Context
  from ..types.syft_object import SYFT_OBJECT_VERSION_1
  from ..types.syft_object import SyftBaseObject
  from ..types.syft_object import SyftObject
  from ..types.uid import UID
  from .user.user_roles import ROLE_TO_CAPABILITIES
  from .user.user_roles import ServiceRole
  from .user.user_roles import ServiceRoleCapability
label_desc: Use image node_id 4 for calling the AuthedServiceContext obj's underlying member method code with example usage: obj.job() and returns: None, None, res